Patents by Inventor Young-Kyo Ro

Young-Kyo Ro has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Probe card
    Patent number: 6909297
    Abstract: A probe card is provided which includes a plurality of stacked signal printed circuit boards for transmitting signals, and a plurality of ground printed circuit boards respectively interposed between the signal printed circuit boards. To reduce ground noise, each of the ground printed circuit boards includes a plurality of conductive ground regions which are insulated from each other.
    Type: Grant
    Filed: January 12, 2004
    Date of Patent: June 21, 2005
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Joon-Su Ji, In-Seok Hwang, Doo-Seon Lee, Byoung-Joo Kim, Young-Kyo Ro, Ho-Yeol Lee
  • Probe card
    Publication number: 20040140824
    Abstract: A probe card is provided which includes a plurality of stacked signal printed circuit boards for transmitting signals, and a plurality of ground printed circuit boards respectively interposed between the signal printed circuit boards. To reduce ground noise, each of the ground printed circuit boards includes a plurality of conductive ground regions which are insulated from each other.
    Type: Application
    Filed: January 12, 2004
    Publication date: July 22, 2004
    Inventors: Joon-Su Ji, In-Seok Hwang, Doo-Seon Lee, Byoung-Joo Kim, Young-Kyo Ro, Ho-Yeol Lee